lin_oct_points=[(270,-90),(270,-82),(276,-82),(274,-74),(323,-74),(351,-74),(360+1,-74),
(360+1, -81),(360+50, -82),(360+48,-84),(360+109,-85),(360+110,-83),(360+111,-82),(360+209,-83),(360+276,-82),(360+274,-74),(360+323,-74),(360+345,-74),(360+345,-90)]
        